426798840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2161

約数の個数: 128

約数和(自身を含む): 1389648960

約数和(自身を除く): 962850120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 137, 156, 195, 260, 274, 312, 390, 411, 520, 548, 685, 780, 822, 1096, 1370, 1560, 1644, 1781, 1997, 2055, 2740, 3288, 3562, 3994, 4110, 5343, 5480, 5991, 7124, 7988, 8220, 8905, 9985, 10686, 11982, 14248, 15976, 16440, 17810, 19970, 21372, 23964, 25961, 26715, 29955, 35620, 39940, 42744, 47928, 51922, 53430, 59910, 71240, 77883, 79880, 103844, 106860, 119820, 129805, 155766, 207688, 213720, 239640, 259610, 273589, 311532, 389415, 519220, 547178, 623064, 778830, 820767, 1038440, 1094356, 1367945, 1557660, 1641534, 2188712, 2735890, 3115320, 3283068, 3556657, 4103835, 5471780, 6566136, 7113314, 8207670, 10669971, 10943560, 14226628, 16415340, 17783285, 21339942, 28453256, 32830680, 35566570, 42679884, 53349855, 71133140, 85359768, 106699710, 142266280, 213399420, 426798840]

約数ペア:

[(1, 426798840), (2, 213399420), (3, 142266280), (4, 106699710), (5, 85359768), (6, 71133140), (8, 53349855), (10, 42679884), (12, 35566570), (13, 32830680), (15, 28453256), (20, 21339942), (24, 17783285), (26, 16415340), (30, 14226628), (39, 10943560), (40, 10669971), (52, 8207670), (60, 7113314), (65, 6566136), (78, 5471780), (104, 4103835), (120, 3556657), (130, 3283068), (137, 3115320), (156, 2735890), (195, 2188712), (260, 1641534), (274, 1557660), (312, 1367945), (390, 1094356), (411, 1038440), (520, 820767), (548, 778830), (685, 623064), (780, 547178), (822, 519220), (1096, 389415), (1370, 311532), (1560, 273589), (1644, 259610), (1781, 239640), (1997, 213720), (2055, 207688), (2740, 155766), (3288, 129805), (3562, 119820), (3994, 106860), (4110, 103844), (5343, 79880), (5480, 77883), (5991, 71240), (7124, 59910), (7988, 53430), (8220, 51922), (8905, 47928), (9985, 42744), (10686, 39940), (11982, 35620), (14248, 29955), (15976, 26715), (16440, 25961), (17810, 23964), (19970, 21372)]